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Current File : /home/vishqocm/pcib.in/student/includes/header.php

<?php
// Include database configuration
require_once __DIR__ . "/../database/db_config.php";

// Make sure we have a database connection
if (!isset($conn) || !($conn instanceof mysqli)) {
    // Attempt to reconnect or initialize connection
    require_once __DIR__ . "/../database/db_config.php";
}
// Start session if not already started
if (session_status() === PHP_SESSION_NONE) {
    session_start();
}

// Check if user has student privileges (handled via helper function)
require_student_privileges('../login.php');

// Get current page for highlighting active menu item
$current_page = basename($_SERVER['PHP_SELF']);

// Get user info
$user_id = $_SESSION['user_id'];
$user_query = "SELECT * FROM users WHERE id = ?";
$stmt = $conn->prepare($user_query);
$stmt->bind_param("i", $user_id);
$stmt->execute();
$user_result = $stmt->get_result();
$user = $user_result->fetch_assoc();
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Student Dashboard - Popular Computer Institute</title>
    <!-- Bootstrap 5 CSS -->
    <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
    <!-- Font Awesome -->
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
    <!-- Google Fonts -->
    <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap" rel="stylesheet">
    <!-- Animate.css -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css">
    <!-- ApexCharts (for charts) -->
    <script src="https://cdn.jsdelivr.net/npm/apexcharts"></script>
    <!-- Custom Student CSS -->
    <link rel="stylesheet" href="../assets/css/student.css">
    <!-- Student Admin CSS -->
    <link rel="stylesheet" href="../assets/css/admin.css">
    <style>
        :root {
            --primary-color: #4e73df;
            --primary-dark: #224abe;
            --secondary-color: #6c757d;
            --success-color: #1cc88a;
            --info-color: #36b9cc;
            --warning-color: #f6c23e;
            --danger-color: #e74a3b;
            --light-color: #f8f9fc;
            --dark-color: #5a5c69;
            --transition-speed: 0.3s;
            
            /* RGB values for transparency effects */
            --primary-rgb: 78, 115, 223;
            --secondary-rgb: 108, 117, 125;
            --success-rgb: 28, 200, 138;
            --info-rgb: 54, 185, 204;
            --warning-rgb: 246, 194, 62;
            --danger-rgb: 231, 74, 59;
            --light-rgb: 248, 249, 252;
            --dark-rgb: 90, 92, 105;
        }
        
        /* Exam Submenu Styles */
        .submenu {
            padding-left: 25px;
            margin-top: 5px;
        }
        
        .submenu .nav-link {
            padding: 8px 15px;
            font-size: 0.9rem;
            border-left: 2px solid rgba(255, 255, 255, 0.1);
            margin: 2px 0;
            margin-left: 10px;
        }
        
        .submenu .nav-link:hover {
            border-left: 2px solid rgba(255, 255, 255, 0.5);
        }
        
        .submenu .nav-link.active {
            border-left: 2px solid white;
        }
        
        .submenu .nav-link i {
            font-size: 0.85rem;
        }
        
        body {
            background-color: var(--light-color);
            font-family: 'Poppins', sans-serif;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
            padding-bottom: 56px; /* Height of footer */
        }
        
        /* Footer Styles */
        .footer.fixed-bottom {
            position: absolute;
            bottom: 0;
            width: 100%;
            z-index: 1030;
            margin-left: 300px;
            margin-bottom: 0;
            transition: margin-left var(--transition-speed);
        }
        
        #mainContent.expanded ~ .footer.fixed-bottom,
        .sidebar.collapsed ~ .footer.fixed-bottom {
            margin-left: 80px;
        }
        
        @media (max-width: 768px) {
            .footer.fixed-bottom {
                margin-left: 0;
            }
        }
        
        /* Sidebar Styles */
        .sidebar {
            min-height: 100vh;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            color: white;
            transition: all var(--transition-speed);
            position: fixed;
            left: 0;
            top: 0;
            width: 250px;
            z-index: 1000;
            box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            max-height: 100vh;
        }
        
        .sidebar-header {
            padding: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .sidebar-header .logo-img {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            object-fit: cover;
            transition: all var(--transition-speed);
        }
        
        .sidebar-header .logo-text {
            font-weight: 600;
            font-size: 18px;
            transition: all 0.2s;
        }
        
        .sidebar.collapsed .sidebar-header {
            justify-content: center;
        }
        
        .sidebar.collapsed .sidebar-header .logo-text {
            display: none;
        }
        
        .sidebar.collapsed .sidebar-header .logo-img {
            width: 40px;
            height: 40px;
        }
        
        .sidebar-nav {
            overflow-y: auto;
            overflow-x: hidden;
            max-height: calc(100vh - 80px);
            padding-top: 10px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
        }
        
        /* Custom scrollbar for sidebar navigation */
        .sidebar-nav::-webkit-scrollbar {
            width: 2px;
        }
        
        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        
        .sidebar-nav::-webkit-scrollbar-thumb {
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
        }
        
        .sidebar-nav::-webkit-scrollbar-thumb:hover {
            background-color: rgba(255, 255, 255, 0.4);
        }
        
        .sidebar .nav-link {
            color: rgba(255, 255, 255, 0.8);
            padding: 15px 20px;
            margin: 5px 15px;
            border-radius: 10px;
            transition: all var(--transition-speed);
            display: flex;
            align-items: center;
            white-space: nowrap;
        }
        
        .sidebar .nav-link:hover {
            color: white;
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        
        .sidebar .nav-link.active {
            color: white;
            background: rgba(255, 255, 255, 0.2);
            font-weight: 600;
            transform: translateX(5px);
        }
        
        .sidebar .nav-link i {
            min-width: 30px;
            text-align: center;
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
        }
        
        .sidebar .nav-link.active i {
            color: white;
        }
        
        .sidebar .nav-item {
            margin-bottom: 5px;
        }
        
        /* Sidebar Toggle */
        .sidebar-toggler {
            position: absolute;
            right: -15px;
            top: 25px;
            padding: 2px;
            background: white;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            text-align: center;
            line-height: 24px;
            color: var(--primary-color);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            z-index: 1001;
            transition: all var(--transition-speed);
        }
        
        .sidebar.collapsed {
            width: 80px;
        }

        .fixed-bottom {
            width: max-content;
            /* margin-top: auto; */
            /* left: 15px; */
        }
        .fixed-bottom .nav-link {
            padding: 15px 15px;
        }

        .sidebar.collapsed .fixed-bottom {
            left: 0;
        }
        .sidebar.collapsed .fixed-bottom .nav-link {
            padding: 15px 15px;
        }
        
        .sidebar.collapsed .sidebar-header h4, 
        .sidebar.collapsed .nav-link span {
            display: none;
        }
        
        .sidebar.collapsed .nav-link {
            padding: 15px 0;
            justify-content: center;
            margin: 5px 10px;
        }
        
        .sidebar.collapsed .nav-link i {
            margin-right: 0;
        }
        
        .sidebar.collapsed .sidebar-toggler {
            transform: rotate(180deg);
        }
        
        /* Main Content Styles */
        .main-content {
            margin-left: 250px;
            padding: 20px;
            transition: all var(--transition-speed);
            min-height: 100vh;
        }
        
        .main-content.expanded {
            margin-left: 80px;
        }
        
        /* Topbar Styles */
        .topbar {
            background: white;
            box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.1);
            border-radius: 15px;
            padding: 15px 25px;
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .topbar h4 {
            margin: 0;
            color: var(--dark-color);
            font-weight: 600;
        }
        
        .topbar .search-box {
            position: relative;
            max-width: 300px;
        }
        
        .topbar .search-box input {
            border-radius: 50px;
            padding-left: 40px;
            background-color: var(--light-color);
            border: none;
            transition: all var(--transition-speed);
        }
        
        .topbar .search-box input:focus {
            box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
        }
        
        .topbar .search-box i {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--secondary-color);
        }
        
        /* Card Styles */
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.1);
            margin-bottom: 25px;
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.15);
        }
        
        .card-header {
            background-color: transparent;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 20px 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .card-header h5 {
            margin: 0;
            font-weight: 600;
            color: var(--dark-color);
        }
        
        .card-body {
            padding: 25px;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .sidebar {
                width: 70px;
            }
            
            .sidebar .sidebar-header h4, 
            .sidebar .nav-link span {
                display: none;
            }
            
            .sidebar .nav-link {
                padding: 15px 0;
                justify-content: center;
                margin: 5px;
            }
            
            .sidebar .nav-link i {
                margin-right: 0;
            }
            
            .main-content {
                margin-left: 80px;
            }
            
            .topbar {
                padding: 15px;
            }
            
            .topbar .search-box {
                display: none;
            }
        }
        
        @media (max-width: 576px) {
            .user-profile .user-info {
                display: none;
            }
            
            .topbar h4 {
                font-size: 1.2rem;
            }
        }
        
        /* Sidebar Dropdown Styles */
        .sidebar-dropdown .submenu-icon {
            transition: transform 0.3s;
            font-size: 10px;
        }
        
        .sidebar-dropdown .nav-link[aria-expanded="true"] .submenu-icon {
            transform: rotate(180deg);
        }
        
        .sidebar-submenu {
            list-style: none;
            padding-left: 15px;
        }
        
        .sidebar-submenu .nav-link {
            padding: 10px 15px;
            font-size: 0.9rem;
        }
        
        .sidebar-submenu .nav-link i {
            font-size: 0.9rem;
            min-width: 25px;
        }
        
        .sidebar-submenu .nav-link:hover {
            transform: translateX(3px);
        }
        
        .sidebar-submenu .nav-link.active {
            transform: translateX(3px);
        }
        
        @media (max-width: 992px) {
            .sidebar-submenu {
                padding-left: 5px;
            }
            
            .sidebar-submenu .nav-link span {
                display: none;
            }
        }
    </style>
    <script>
    // Detect user timezone and store it in a cookie
    document.addEventListener('DOMContentLoaded', function() {
        // Get user's timezone using Intl API
        const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
        
        // Set timezone cookie that expires in 30 days
        const expiryDate = new Date();
        expiryDate.setDate(expiryDate.getDate() + 30);
        document.cookie = `user_timezone=${timezone}; expires=${expiryDate.toUTCString()}; path=/; SameSite=Lax`;
        
        // Also store timezone offset in minutes
        const timezoneOffset = new Date().getTimezoneOffset();
        document.cookie = `timezone_offset=${timezoneOffset}; expires=${expiryDate.toUTCString()}; path=/; SameSite=Lax`;
    });
    </script>
</head>
<body>
        <!-- Sidebar -->
    <div class="sidebar" id="sidebar">
        <button type="button" class="sidebar-toggler" id="sidebarToggler" aria-label="Toggle Sidebar">
            <i class="fas fa-chevron-left"></i>
        </button>
            <div class="sidebar-header">
            <img src="../assets/img/logo_1743140535_pc.png" alt="Logo" class="logo-img">
            <div class="logo-text">PCI</div>
            </div>
        <div class="sidebar-nav">
            <ul class="nav flex-column">
                <li class="nav-item">
                    <a class="nav-link <?php echo ($current_page == 'index.php') ? 'active' : ''; ?>" href="index.php">
                        <i class="fas fa-tachometer-alt"></i>
                        <span>Dashboard</span>
                    </a>
                </li>
                
                <li class="nav-item">
                    <a class="nav-link <?php echo ($current_page == 'my_courses.php') ? 'active' : ''; ?>" href="my_courses.php">
                        <i class="fas fa-book"></i>
                        <span>My Courses</span>
                    </a>
                </li>
                
                <!-- Exam Management Dropdown Menu -->
                <li class="nav-item">
                    <a class="nav-link dropdown-toggle <?php echo (in_array($current_page, ['scheduled-exams.php', 'exam-results.php', 'previous-exams.php'])) ? 'active' : ''; ?>" href="#" id="examDropdown" role="button" data-bs-toggle="collapse" data-bs-target="#examSubmenu" aria-expanded="false" aria-controls="examSubmenu">
                        <i class="fas fa-graduation-cap"></i>
                        <span>Exams</span>
                    </a>
                    <div class="collapse <?php echo (in_array($current_page, ['scheduled-exams.php', 'exam-results.php', 'previous-exams.php'])) ? 'show' : ''; ?>" id="examSubmenu">
                        <ul class="nav flex-column pl-3 submenu">
                            <li class="nav-item">
                                <a class="nav-link <?php echo ($current_page == 'scheduled-exams.php') ? 'active' : ''; ?>" href="scheduled-exams.php">
                                    <i class="fas fa-calendar-alt"></i>
                                    <span>Scheduled Exams</span>
                                </a>
                            </li>
                            <li class="nav-item">
                                <a class="nav-link <?php echo ($current_page == 'exam-results.php') ? 'active' : ''; ?>" href="exam-results.php">
                                    <i class="fas fa-chart-bar"></i>
                                    <span>My Results</span>
                                </a>
                            </li>
                            <li class="nav-item">
                                <a class="nav-link <?php echo ($current_page == 'previous-exams.php') ? 'active' : ''; ?>" href="previous-exams.php">
                                    <i class="fas fa-history"></i>
                                    <span>Previous Exams</span>
                                </a>
                            </li>
                        </ul>
                    </div>
                </li>
                
                <li class="nav-item">
                    <a class="nav-link <?php echo ($current_page == 'certificates.php') ? 'active' : ''; ?>" href="certificates.php">
                        <i class="fas fa-certificate"></i>
                        <span>My Certificates</span>
                    </a>
                </li>
                
                <li class="nav-item">
                    <a class="nav-link <?php echo ($current_page == 'profile.php') ? 'active' : ''; ?>" href="profile.php">
                        <i class="fas fa-user"></i>
                        <span>My Profile</span>
                    </a>
                </li>
                
                <li class="nav-item">
                    <a class="nav-link <?php echo ($current_page == 'payments.php') ? 'active' : ''; ?>" href="payments.php">
                        <i class="fas fa-money-bill-wave"></i>
                        <span>Payments</span>
                    </a>
                </li>
                
                <li class="nav-item">
                    <a class="nav-link <?php echo ($current_page == 'announcements.php') ? 'active' : ''; ?>" href="announcements.php">
                        <i class="fas fa-bullhorn"></i>
                        <span>Announcements</span>
                    </a>
                </li>
                
                <li class="nav-item">
                    <a class="nav-link <?php echo ($current_page == 'support.php') ? 'active' : ''; ?>" href="support.php">
                        <i class="fas fa-question-circle"></i>
                        <span>Support</span>
                    </a>
                </li>
                
                <li class="nav-item fixed-bottom">
                    <a class="nav-link" href="../logout.php">
                        <i class="fas fa-sign-out-alt"></i>
                        <span>Logout</span>
                    </a>
                </li>
            </ul>
        </div>
    </div>
        
    <!-- Main Content -->
    <div class="main-content" id="mainContent">
        <?php include_once 'topbar.php'; ?>
        
        <!-- Page Content Starts Here -->
        <div class="container-fluid">
</body>
</html>